JP2022119399A - Vehicular seat and seat pad - Google Patents

Abstract

To support a wire harness etc. in a state that the wire harness etc. is arranged along a seat pad.SOLUTION: A vehicular seat 10 includes: a seat cushion 12 which supports a hip P1 of a seated occupant P from the seat lower side; a seat back 14 which supports a back of the seated occupant P from the seat rear side; and a seat pad 18 forming a part of the seat cushion 12 or the seat back 14. A sheet-like backing material 28 is joined to a surface, which is opposite to the seated occupant P, of the seat pad 18. A base member 46 formed in a plate-like shape and having clip insertion holes 48, to which first clip 54 etc. are respectively attached, is fixed to the backing material 28.SELECTED DRAWING: Figure 1

Description

The present invention relates to a vehicle seat and a seat pad.

Patent Literature 1 listed below discloses a vehicle interior member that eliminates the need for a member for fixing a wire harness. In the vehicle interior member described in this document, the wire harness is embedded in the urethane foam by filling the space between the base material on which the wire harness is set and the outer skin with urethane foam. Thereby, the wire harness is supported by the urethane foam.

Japanese Patent Application Laid-Open No. 2001-301546

By the way, in the case where the wire harness or the like constituting a part of the vehicle seat is arranged along the seat pad and the wire harness or the like is supported, it is difficult to apply the configuration described in Patent Document 1 above.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle seat and a seat pad that can support a wire harness or the like while the wire harness or the like is arranged along the seat pad.

A vehicle seat according to claim 1 comprises a seat cushion that supports the buttocks of a seated occupant from the lower side of the seat, a seat back that supports the back of the seated occupant from the rear side of the seat, and a part of the seat cushion or the seat back. has a seat pad with a sheet-like backing material joined to the surface opposite to the seated occupant, and a mounting part formed in a plate shape and to which a support member is attached, and the backing material a fixed base member.

According to the vehicle seat of claim 1, the seat pad forming part of the seat cushion or seat back has a sheet-like backing material joined to the surface opposite to the seated occupant. A base member having an attached portion is fixed to the back surface member. A support member is attached to the attached portion of the base member. Accordingly, by supporting the wire harness or the like on the support member, the wire harness or the like can be supported in a state in which the wire harness or the like is arranged along the seat pad.

The vehicle seat according to claim 2 is the vehicle seat according to claim 1, wherein the base member is joined to the backing material by sewing.

According to the vehicle seat of claim 2, the base member is joined to the backing material by sewing. With this configuration, it is possible to suppress the occurrence of noise at the joint between the base member and the backing member.

A vehicle seat according to claim 3 is the vehicle seat according to claim 1 or claim 2, wherein the base member is formed using a resin sheet or a foamed resin sheet.

According to the vehicle seat of claim 3, the base member is formed using a resin sheet or a foamed resin sheet. Accordingly, it is possible to reduce the weight of the seat pad provided with the backing member to which the base member is attached, and as a result, it is possible to reduce the weight of the vehicle seat.

The vehicle seat according to claim 4 is the vehicle seat according to any one of claims 1 to 3, wherein the seat pad constitutes a part of the seat cushion, and the base member are arranged along the surface of the seat pad on the lower side of the seat.

According to the vehicle seat of claim 4, the plate-like base member is arranged along the surface of the seat pad, which constitutes a part of the seat cushion, on the lower side of the seat. In this configuration, the portion of the seat pad that supports the wire harness or the like projects downwardly from the seat. As a result, it is possible to suppress narrowing of the space of the seat cushion on the lower side of the seat.

The seat pad according to claim 5 is formed in a plate shape with a seat pad main body forming a part of the seat cushion and the seat back, a back surface material formed in a sheet shape and joined to the seat pad main body. a base member fixed to the back surface material, the base member having an attached portion to which a support member is attached.

According to the seat pad of claim 5, the sheet-like back surface material is joined to the surface of the seat pad that constitutes a part of the seat cushion or the seat back, on the side opposite to the seated occupant. A base member having an attached portion is fixed to the back surface member. A support member is attached to the attached portion of the base member. Accordingly, by supporting the wire harness or the like on the support member, the wire harness or the like can be supported in a state in which the wire harness or the like is arranged along the seat pad.

The vehicle seat and seat pad according to the present invention have an excellent effect that the wire harness or the like can be supported while the wire harness or the like is arranged along the seat pad.

FIG. 2 is a cross-sectional view showing a cross-section of the vehicle seat of the present embodiment cut along the front-rear direction and the up-down direction at a portion where the base member is provided; FIG. 2 is a cross-sectional view showing a cross-section of the vehicle seat of the present embodiment cut along the left-right direction and the up-down direction at a portion where the base member is provided; It is the perspective view which looked at the seat pad from the diagonally downward side. 4 is an enlarged perspective view showing an enlarged portion of the seat pad shown in FIG. 3, which is surrounded by a two-dot chain line 4; FIG. FIG. 4 is an enlarged perspective view showing a state in which a wire harness is supported by a portion of the seat pad where the base member is provided;

A vehicle seat according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5. FIG. An arrow FR, an arrow UP, an arrow LH, and an arrow RH shown in the drawings respectively indicate the front side, upper side, left side, and right side of the seat as seen from the passenger seated in the vehicle seat. In the following description, when simply using front-rear, up-down, and left-right directions, front-rear in the seat front-rear direction, up and down in the seat up-down direction, and left and right in the seat left-right direction will be indicated unless otherwise specified.

As shown in FIGS. 1 and 2, the vehicle seat 10 of this embodiment includes a seat cushion 12 that supports the buttocks P1 of the seated occupant P from below, and a seat that supports the back of the seated occupant P from the rear side. a back 14; In FIGS. 1 and 2, only the rear surface member 28 and the base member 46, which will be described later, are hatched in cross section for ease of viewing.

The seat cushion 12 has a structure in which a seat pad 18 is attached to a seat cushion frame 16 that constitutes the skeleton of the seat cushion 12 . The seat back 14 has a structure in which a seat pad 20 is attached to a seat back frame that constitutes the skeleton of the seat back 14 . Here, the seat pad 18 that forms part of the seat cushion 12 and the seat pad 20 that forms part of the seat back 14 are also called a seat cushion pad and a seat back pad, respectively. The seat cushion 12 is supported by a floor 24 of the vehicle body via seat slide rails 22 .

As shown in FIGS. 2 and 3, the seat pad 18 forming part of the seat cushion 12 includes a seat pad main body 26 formed using urethane foam and a rear surface joined to the rear surface of the seat pad main body 26. material 28;

The seat pad main body 26 includes a main portion 30 arranged to face the buttocks P1 of the seated occupant P in the vertical direction, and a pair of left and right side support portions 32 provided on the left and right sides of the main portion 30, respectively. there is At the boundary between the main portion 30 and the side support portions 32 of the seat pad body 26, a groove portion 34 is formed along the front-rear direction to open the buttocks P1 of the seated occupant P. As shown in FIG.

3, the seat pad main body 26 includes a front projecting portion 36 projecting downward from the front ends of the main portion 30 and the pair of left and right side support portions 32, and a left side support portion 32 on the left side. A pair of left and right side protruding portions 38 protruding downward from the right end of the end and the right side support portion 32 are provided. Further, the seat pad main body 26 has a rear engaging portion 40 projecting rearward from the rear end of the main portion 30 .

A back surface material 28 is joined to a portion corresponding to the main portion 30 on the lower surface (back surface) of the seat pad main body 26 . The backing material 28 is, for example, a sheet-shaped felt formed in advance into a shape corresponding to the lower surface of the seat pad main body 26 . The back surface material 28 is joined to the seat pad main body 26 at the same time as the seat pad main body 26 is foam-molded.

A portion of the backing member 28 corresponding to the right rear side of the main portion 30 serves as a base member fixing portion 42 to which a base member 46, which will be described later, is fixed. As shown in FIGS. 1 and 2, the base member fixing portion 42 is formed with an opening 42A having a shape corresponding to the shape of the base member 46 . The dimensions of the opening 42A are set smaller than the dimensions of the base member 46. As shown in FIG. As a result, the outer periphery of the base member 46 is fixed (joined) to the edge 42B of the opening 42A by sewing while the outer periphery of the base member 46 overlaps the edge 42B of the opening 42A. .

As shown in FIG. 4, the base member 46 is formed using, for example, a resin sheet or a foamed resin sheet. The base member 46 of this embodiment is formed using a foamed resin sheet, and its outer peripheral edge is formed in a hexagonal shape. Further, the base member 46 is formed with three clip insertion holes 48 as attached portions. The three clip insertion holes 48 are formed in an elongated shape with the longitudinal direction being the longitudinal direction. The clip insertion hole 48 arranged on the rearmost side is called a first clip insertion hole 48H1, the clip insertion hole 48 arranged on the frontmost side is called a second clip insertion hole 48H2, and the first clip insertion hole 48H1. And the clip insertion hole 48 arranged on the left side of the second clip insertion hole 48H2 is called a third clip insertion hole 48H3. The positions in the left-right direction of the first clip insertion hole 48H1 and the second clip insertion hole 48H2 are substantially the same. The front-rear position of the third clip insertion hole 48H3 is substantially midway between the front-rear position of the first clip insertion hole 48H1 and the front-rear position of the second clip insertion hole 48H2.

The base member 46 described above is fixed (joined) to the base member fixing portion 42 by sewing while being arranged along the upper side of the base member fixing portion 42 of the backing member 28 . In addition, the sewing location is indicated by a dashed line and indicated by reference numeral 50 . This sewn portion has a hexagonal shape along the outer peripheral portion of the base member 46 . Also, the base member 46 is fixed to the backing member 28 by sewing before the backing member 28 is joined to the seat pad main body 26 .

(Action and effect of this embodiment)
Next, the operation and effects of this embodiment will be described.

As shown in FIGS. 1, 3, and 4, in the process of assembling the vehicle seat 10 described above, first, the base member 46 is joined to the base member fixing portion 42 of the backing member 28 by sewing (the base member fixing portion). process). In addition, in the base member fixing step, other methods such as fixing the base member 46 to the base member fixing portion 42 of the backing member 28 using an adhesive can also be applied.

Next, the backing material 28 is set in a mold, and the mold is filled with urethane foam to form the seat pad main body 26 and join the backing material 28 to the back surface of the seat pad main body 26 (back surface material joining process). A seat pad 18 is formed in this step. In the backing material joining process, after forming the seat pad main body 26, the backing material 28 may be joined to the back surface of the seat pad main body 26 with an adhesive or by sewing. Then, the seat pad 18 formed in this process is attached to the seat cushion frame 16 (seat pad attachment process).

Next, the seat-side harness 52 as a wire harness provided on the vehicle seat 10 side is supported by the base member 46 . More specifically, the first clip 54 is attached to the base member 46 by inserting the clip portion 56 of the first clip 54 as a support member through which the seat-side harness 52 is inserted through the first clip insertion hole 48H1 of the base member 46 . It is locked (seat side harness supporting step). Note that the seat-side harness 52 is connected to a heater (not shown) provided on the seat back 14 .

The vehicle seat 10 is manufactured through the above steps.

The vehicle seat 10 manufactured through the above steps is fixed to the floor 24 of the vehicle body (vehicle seat fixing step).

Next, as shown in FIGS. 4 and 5, a vehicle body side coupler 60 as a support member provided at the end of a vehicle body side harness 58 as a wire harness and a seat provided at the end of the seat side harness 52 The side coupler 62 is engaged (coupler connecting step).

Next, the vehicle body side coupler 60 is locked to the base member 46 by inserting the clip portion 56 of the vehicle body side coupler 60 into the second clip insertion hole 48H2 of the base member 46 . In addition to this, the clip portion 56 of the second clip 64 as a support member through which the vehicle body side harness 58 is inserted is inserted into the third clip insertion hole 48H3 of the base member 46, so that the second clip 64 is attached to the base member 46. (car body side harness supporting step).

Through the steps described above, in the vehicle seat 10 of the present embodiment, the seat-side harness 52 and the vehicle-side harness 58 are arranged along the seat pad 18 . can be supported.

Further, in this embodiment, the base member 46 is joined to the backing material 28 by sewing. In this configuration, noise caused by loosening of the fastening member, unlike the case where the base member 46 is fixed to the backing member 28 using the fastening member, does not occur. That is, in the present embodiment, it is possible to suppress the occurrence of noise at the joint between the base member 46 and the backing member 28 .

Furthermore, in this embodiment, the base member 46 is formed using a foamed resin sheet. Accordingly, the weight of the seat pad 18 having the backing member 28 to which the base member 46 is attached can be reduced, and as a result, the weight of the vehicle seat 10 can be reduced.

Further, in the present embodiment, a plate-like base member 46 is arranged along the lower surface of the seat pad 18 forming part of the seat cushion 12 . In this configuration, the portion of the seat pad 18 that supports the seat-side harness 52 and the vehicle-body-side harness 58 projects downwardly by a reduced amount. As a result, it is possible to prevent the space below the seat cushion 12 from narrowing, and to reduce the impact on the leg space of the rear seat of the vehicle seat 10 . Furthermore, in this embodiment, the base member 46 is arranged along the upper side of the base member fixing portion 42 of the backing member 28 . That is, the base member 46 is configured so as not to protrude downward with respect to the back surface member 28 . This also makes it possible to prevent the space below the seat cushion 12 from narrowing. In addition, in a configuration in which the base member 46 is joined to the back surface material 28 by sewing while the base member 46 is arranged along the upper side of the base member fixing portion 42 of the back surface material 28, the back surface to which the base member 46 is joined When the material 28 is set in a mold and the mold is filled with urethane foam to form the seat pad main body 26, leakage of urethane foam from the joint between the base member 46 and the back surface material 28 is prevented. can be suppressed.

Although the seat-side harness 52 and the vehicle-body-side harness 58 are supported on the seat pad 18 by the base member 46 in this embodiment, the present invention is not limited to this. For example, other wiring or piping may be supported by the seat pad 18 by the base member 46 .

Further, in the present embodiment, an example in which the seat-side harness 52 and the vehicle-body-side harness 58 are supported by the seat pad 18 that constitutes a part of the seat cushion 12 by the base member 46 has been described, but the present invention is not limited to this. . For example, the seat-side harness 52 and the vehicle-body-side harness 58 may be supported by the seat pad 20 forming part of the seatback 14 by the base member 46 . The structure of the present invention can also be applied to rear seats.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and can be implemented in various modifications other than the above without departing from the spirit of the present invention. is of course.

10 Vehicle seat 12 Seat cushion 14 Seat back 18 Seat pad 26 Seat pad main body 28 Back surface member 46 Base member 48 Clip insertion hole (mounted portion)
48H1 First clip insertion hole (mounting part)
48H2 Second clip insertion hole (mounted portion)
48H3 Third clip insertion hole (mounted portion)
54 first clip (supporting member)
60 vehicle body side coupler (support member)
64 second clip (supporting member)
P Seated occupant P1 Seated occupant's buttocks

Claims (5)

a seat cushion that supports the buttocks of a seated occupant from the lower side of the seat;
a seat back that supports the back of a seated occupant from the rear side of the seat;
a seat pad forming part of the seat cushion or the seat back and having a sheet-like backing material joined to the surface opposite to the seated occupant;
a base member which is formed in a plate shape and has an attached portion to which a support member is attached, and which is fixed to the back surface material;
A vehicle seat with The vehicle seat according to claim 1, wherein the base member is joined to the backing member by sewing. The vehicle seat according to claim 1 or 2, wherein the base member is formed using a resin sheet or a foamed resin sheet. The seat pad forms part of the seat cushion,
The vehicle seat according to any one of claims 1 to 3, wherein the base member is arranged along the surface of the seat pad on the lower side of the seat. a seat pad body that constitutes a part of the seat cushion and the seat back;
a backing material formed in a sheet shape and joined to the seat pad main body;
a base member which is formed in a plate shape and has an attached portion to which a support member is attached, and which is fixed to the back surface material;
seat pad with

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